California earthquakes

M1.7 earthquake 15 km E of Seven Trees, California

A magnitude 1.7 earthquake struck 15 km E of Seven Trees, California on Wed, Mar 6, 1985, 2:25 AM PST (10:25 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M3.3 15 km E of Seven Trees, California. This one was a foreshock.

Seven Trees forecastMore in California

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.7 (md), micro
Local time
UTC
1985-03-06 10:25:42 UTC
Depth
1.7 km (1.0 mi), shallow
Epicenter
37.285° N, 121.668° W
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 0.1 km horizontally, 0.3 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
42°
Stations used
29

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 149 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 3.315 km E of Seven Trees, California · 15170 days ago · 6 km deep · 0 km away
  2. 2.115 km E of Seven Trees, California · 15170 days ago · 6 km deep · 1 km away
  3. 1.79 km SE of Livermore, California · 15170 days ago · 7 km deep · 38 km away
  4. 2.821 km NE of Soledad, California · 15170 days ago · 8 km deep · 95 km away
  5. 1.66 km WSW of Gilroy, California · 15169 days ago · 5 km deep · 34 km away
  6. 1.99 km E of San Martin, California · 15169 days ago · 8 km deep · 26 km away
  7. 1.77 km NNW of Day Valley, California · 15168 days ago · 16 km deep · 30 km away
  8. 1.922 km NNE of Soledad, California · 15168 days ago · 2 km deep · 87 km away
  9. 2.214 km N of Morgan Hill, California · 15168 days ago · 3 km deep · 3 km away
  10. 2.113 km N of Morgan Hill, California · 15168 days ago · 4 km deep · 4 km away
  11. 2.312 km ESE of East Foothills, California · 15168 days ago · 8 km deep · 5 km away
  12. 2.04 km E of Day Valley, California · 15167 days ago · 10 km deep · 30 km away
  13. 2.114 km E of Seven Trees, California · 15167 days ago · 7 km deep · 2 km away
  14. 1.63 km WSW of Campbell, California · 15167 days ago · 5 km deep · 28 km away
  15. 1.721 km NE of Soledad, California · 15166 days ago · 7 km deep · 95 km away
  16. 2.4Central California · 15166 days ago · 8 km deep · 59 km away
  17. 1.814 km E of Seven Trees, California · 15165 days ago · 3 km deep · 2 km away
  18. 1.50 km WNW of Concord, California · 15165 days ago · 13 km deep · 84 km away
  19. 1.91 km SSE of Concord, California · 15164 days ago · 13 km deep · 82 km away
  20. 2.57 km ENE of Morgan Hill, California · 15163 days ago · 4 km deep · 16 km away
  21. 2.68 km NE of Gilroy, California · 15163 days ago · 4 km deep · 30 km away
  22. 1.521 km NE of Soledad, California · 15163 days ago · 5 km deep · 95 km away
  23. 2.430 km ENE of Soledad, California · 15163 days ago · 7 km deep · 98 km away
  24. 1.55 km SSW of Ridgemark, California · 15163 days ago · 9 km deep · 63 km away
  25. 1.921 km NE of Soledad, California · 15163 days ago · 7 km deep · 95 km away
  26. 1.522 km NE of Soledad, California · 15163 days ago · 8 km deep · 95 km away
  27. 1.62 km ENE of Berkeley, California · 15162 days ago · 8 km deep · 83 km away
  28. 1.93 km E of Berkeley, California · 15162 days ago · 10 km deep · 82 km away
  29. 2.615 km E of Seven Trees, California · 15162 days ago · 5 km deep · 0 km away
  30. 1.614 km N of Morgan Hill, California · 15162 days ago · 6 km deep · 4 km away
  31. 2.84 km E of San Juan Bautista, California · 15161 days ago · 8 km deep · 51 km away
  32. 2.414 km E of Seven Trees, California · 15161 days ago · 2 km deep · 1 km away
  33. 3.014 km N of Morgan Hill, California · 15160 days ago · 6 km deep · 4 km away
  34. 1.815 km N of Morgan Hill, California · 15160 days ago · 6 km deep · 3 km away
  35. 1.9Northern California · 15159 days ago · 2 km deep · 1 km away
  36. 1.619 km SSE of Tres Pinos, California · 15159 days ago · 5 km deep · 83 km away
  37. 1.716 km SSE of Pescadero, California · 15159 days ago · 8 km deep · 60 km away
  38. 1.722 km NE of Soledad, California · 15159 days ago · 7 km deep · 95 km away
  39. 1.67 km ENE of Gilroy, California · 15159 days ago · 6 km deep · 32 km away
  40. 1.612 km N of Morgan Hill, California · 15158 days ago · 7 km deep · 5 km away
  41. 2.44 km NW of Bay Point, California · 15158 days ago · 0 km deep · 91 km away
  42. 2.219 km SSE of Tres Pinos, California · 15158 days ago · 5 km deep · 83 km away
  43. 3.027 km E of Tres Pinos, California · 15157 days ago · 5 km deep · 83 km away
  44. 1.99 km NNW of Hollister, California · 15157 days ago · 2 km deep · 45 km away
  45. 1.79 km ENE of Morgan Hill, California · 15156 days ago · 5 km deep · 17 km away
  46. 2.7Central California · 15155 days ago · 5 km deep · 96 km away
  47. 1.615 km N of Morgan Hill, California · 15155 days ago · 6 km deep · 2 km away
  48. 1.515 km E of East Foothills, California · 15154 days ago · 8 km deep · 14 km away
  49. 1.913 km S of Tres Pinos, California · 15153 days ago · 5 km deep · 76 km away
  50. 2.321 km NE of Soledad, California · 15152 days ago · 4 km deep · 95 km away
  51. 1.98 km ENE of Morgan Hill, California · 15152 days ago · 3 km deep · 17 km away
  52. 3.216 km E of Seven Trees, California · 15151 days ago · 6 km deep · 1 km away
  53. 1.516 km E of Seven Trees, California · 15151 days ago · 5 km deep · 1 km away
  54. 1.65 km NE of East Foothills, California · 15149 days ago · 5 km deep · 16 km away
  55. 2.514 km N of Morgan Hill, California · 15149 days ago · 4 km deep · 4 km away
  56. 1.67 km ENE of San Martin, California · 15149 days ago · 3 km deep · 24 km away
  57. 2.12 km ENE of Berkeley, California · 15149 days ago · 9 km deep · 83 km away
  58. 1.627 km E of Tres Pinos, California · 15149 days ago · 4 km deep · 82 km away
  59. 1.77 km ENE of San Martin, California · 15149 days ago · 3 km deep · 24 km away
  60. 1.71 km N of Mountain View, California · 15148 days ago · 6 km deep · 39 km away

The first 60 of 149.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc43148. Read Wed, Sep 23, 2026, 3:21 AM UTC.